The importance of two-sided market in modern economic system is larger and larger. Pricing strategy of platform is an important issue in two-sided market. Although a lot of factors influence pricing strategy of market, the effect of the intrinsic characteristics of risk of two-sided users on pricing structure of platform has not been studied and is worth studying. Through an index of risk lever, the effect of intrinsic characteristic of risk of two-sided users is identified by this paper. The conclusions indicate that the pricing strategy of platform and earning structure have been greatly influenced by the two-sided users risk levers and their varied combinations.